| 1. | Electrical heating elements and heating inserts ; definitions
电子加热元件和加热镶件.定义 |
| 2. | Specification for drawn or rolled iron - chromium - aluminum alloys for electrical heating elements
电加热元件的拉伸或辊轧铁铬铝合金规范 |
| 3. | Standard specification for drawn or rolled iron - chromium - aluminum alloys for electrical heating elements
电热元件用拉制或轧制铁铬铝合金标准规范 |
| 4. | Specification for drawn or rolled nickel - chromium and nickel - chromium - iron alloys for electrical heating elements
电气加热元件用拉制或轧制镍-铬合金及镍-铬-铁合金规范 |
| 5. | Standard specification for drawn or rolled nickel - chromium and nickel - chromium - iron alloys for electrical heating elements
电加热元件用拉制或轧制镍铬及镍铬铁合金标准规范 |
| 6. | The unit shall be equipped with a built - in electrical junction box . electrical heating elements shall be screw - in , direct - immersion , resistance - type . element operation shall be controlled by a thermostat for each element
这种热水炉应该配置一个内置的电气接线盒。电气加热元件应该螺纹拧进的，直接浸入式，电阻型加热元件。每个加热元件的工作应该由一个温控器控制调节。 |
| 7. | The unit shall be equipped with a standard 120v plug - in cord . electrical heating elements shall be screw - in , direct - immersion , stainless steel sheathed , resistance - type . element operation shall be controlled by a thermostat
这种热水器应该配置一个标准的120伏插头电缆。电气加热元件应该螺纹拧进的，直接浸入式，不锈钢外层，电阻型加热元件。加热元件的工作应该由一个温控器控制调节。 |
| 8. | The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating . it features fast heat exchange and high thermal efficiency . it has the varieties of water heater , oil heater and gas heater . its heating element power density , i . e . the power per unit of heating area of the heating element , is an important parameter of the electrical heating element , which has a direct bearing on the performance and working life . the working out of the value is a highly specialized problem , being under the influence of many factors ( media flow rate , tempt , physical and chemical properties and direction in which the medium flows past the element etc )
浸入式电加热器主要用于直接对流体接触加热的场合，具有热交换快，热效率高等特点，分为水用加热器、油用加热器、气体用加热器，加热元件的功率密度：即电加热元件单位发热面积上的功率，它是电加热元件极重要的参数，直接影响加热器的使用性能及使用寿命，它的取值是一个非常专业的问题，受到许多因素的影响（如介质的流速、温度、物理和化学性质及介质流过加热元件的方向等等） 。 |
